Best Free Network Monitoring Software of 2025

New Relic provides a robust suite of network monitoring tools designed to enhance and optimize your enterprise network infrastructure. Our integrated data platform consolidates telemetry from various network devices, equipping you with sophisticated analysis tools that deliver in-depth insights into network performance and traffic behavior. Tailored for large organizations, our real-time monitoring capabilities, automated notifications, and customizable dashboards empower you to quickly pinpoint and address issues, maintaining peak network performance and dependability. Streamline your network monitoring processes, boost operational efficiency, and acquire actionable insights with New Relic's cutting-edge network monitoring solutions, specifically crafted to meet enterprise requirements.

FirstWave’s NMIS is a network management system that provides fault, performance, configuration management, performance graphs, and threshold alerts. Business rules allow for highly specific notification policies that can be used with multiple notification methods. FirstWave also enables partners, including some of the world’s largest telcos and managed service providers (MSPs), to protect their customers from cyber-attacks, while rapidly growing cybersecurity services revenues at scale. FirstWave provides a comprehensive end-to-end solution for network discovery, management, and cybersecurity for its partners globally.

Paessler PRTG is an all-inclusive monitoring solution with an intuitive, user-friendly interface powered by a cutting-edge monitoring engine. It optimizes connections and workloads, reduces operational costs, and prevents outages. It also saves time and controls service level agreements (SLAs). This solution includes specialized monitoring features such as flexible alerting, cluster failover, distributed monitoring, maps, dashboards, and in-depth reporting.

ManageEngine OpManager is an all-encompassing network monitoring solution that delivers immediate insights into the functionality and status of various network devices, including routers, switches, servers, and virtual machines. It includes capabilities for fault detection, bandwidth assessment, and performance evaluation, all presented through customizable dashboards and alert systems. OpManager is designed to operate seamlessly in multi-vendor settings, features automated root cause analysis, and is scalable to accommodate networks of any size, from small setups to extensive infrastructures. Additionally, it provides functionalities such as network mapping and monitoring for both cloud and virtual environments, positioning it as a complete tool for ensuring peak network performance and reliability.

SuperOps is a next-generation, all-in-one PSA-RMM platform designed for ambitious MSPs looking to scale efficiently. Infused with AI-driven intelligence and smart automation, SuperOps offers a comprehensive suite of features, from IT documentation to project management, ensuring MSPs have everything they need in one place. Say goodbye to juggling multiple disconnected tools—SuperOps empowers MSPs to move beyond outdated, fragmented systems with a cloud-native platform built for simplicity and productivity. Experience a seamless, modern solution that streamlines operations and makes managing IT services effortless.

Site24x7 provides unified cloud monitoring to support IT operations and DevOps within small and large organizations. The solution monitors real users' experiences on websites and apps from both desktop and mobile devices. DevOps teams can monitor and troubleshoot applications and servers, as well as network infrastructure, including private clouds and public clouds, with in-depth monitoring capabilities. Monitoring the end-user experience is done from more 100 locations around the globe and via various wireless carriers.

Uptrends is all about cloud-based website performance that keeps track of performance, uptime, and functionality of your websites and APIs. The 24/7 monitoring service that proactively test your website and monitor multi-step transactions. Let’s face it—the Internet is a fragile thing. Stuff breaks or slows every now and then. Uptrends lets you know when it does and what exactly happened. Feel free to try Uptrends for 30 days with our free trial!

PingThemAll is a Windows-based ping-based network device monitor system. PTA allows you to select the devices you want to monitor and then add them to PTA’s text-based configuration file. We take care of the rest. You can watch the pinging of devices in real time, with line-by–line reporting of success and failure. Also, you can use the PTA Results webpage to see a summary of which devices are not responding. Receive e-mails about all or just some of the devices when they change status up or down. Daily summary e-mails. Detailed easy to use logs allow you to research outages and restoration of services. This is a great tool for network administrators, help desks, network operators, network managers, security personnel, and data center managers. PTA Engine runs on any Windows 10 computer, so you can monitor PTA results on as many computers as you want. PTA runs in a very small footprint. This allows you to run PTA on a production computer or on an older PC. No plugins or extensions are required and there are no agents that monitor any devices. Software can be run from a local hard disk, USB stick, external drive, or network share.

NetFlow Analyzer provides real-time visibility to network bandwidth performance and leverages flow technologies. NetFlow Analyzer provides a comprehensive view of your network bandwidth usage and traffic patterns. It has been used to optimize thousands of networks worldwide. NetFlow Analyzer provides a single solution that analyzes, reports, and collects data about your network's bandwidth usage. NetFlow Analyzer can help you optimize bandwidth usage across more than a million interfaces worldwide. It also provides network forensics, network traffic analysis, and network forensics. To gain control over the most used applications, you can reconfigure policies using traffic shaping via ACLs and class-based policies. NetFlow Analyzer uses Cisco NBAR technology to provide deep visibility into Layer 7 traffic. It can also identify applications that use dynamic port numbers, or hide behind known ports.

Monitor the volume of data your PC is using for every single app, thanks to GlassWire's network monitoring graph. Keep track of the volume of data you received and sent in the past and who or what your PC is talking to. Detect spyware, malware, badly behaving apps, and bandwidth hogs, then block their connections with our powerful firewall. Monitor devices on your network and get alerted when new unknown devices join your WiFi. GlassWire warns you of network-related changes to your PC or unusual changes to your apps that could indicate malware.

With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS allows you to quickly find and solve problems. It scales them so that they can be derived either from on-premise, multi-cloud, or both. You now have the ability to use your entire IT stack and analytics to solve any problem, even those that are difficult to find. You can control and manage any technology and application with more than 500 plugins, including SAP, Oracle, Lotus or Citrix, Jboss, VMware, AWS and SQL Server.

Igiko Management Tools is a web-based software that allows remote access to, management and monitoring of physical or virtual machines within a permissions-based security model. Igiko comes with a built-in remote gateway that allows you establish connections to your computers and VMs. The web console supports HTML5 RDP control, which allows remote desktops to be accessed from any web browser. The Igiko application, unlike most RMM tools is an agentless service. To provide remote access, monitoring, management and remote access capabilities to all local computers or VMs, you can only install it on one machine. Configuring and accessing the application globally is easy with embedded web server and tunnel-provider clients that have a dedicated DNS address on Igiko server. Igiko is ideal to small and medium businesses, hosting providers and software development and engineering firms, as well as home users and virtual labs.

Sematext Cloud provides all-in-one observability solutions for modern software-based businesses. It provides key insights into both front-end and back-end performance. Sematext includes infrastructure, synthetic monitoring, transaction tracking, log management, and real user & synthetic monitoring. Sematext provides full-stack visibility for businesses by quickly and easily exposing key performance issues through a single Cloud solution or On-Premise.

Better Stack provides an in-depth view of any stack, enabling you to troubleshoot issues and swiftly address incidents. You can visualize your entire stack and combine all your logs into a structured format, allowing you to query everything as if it were a single database using SQL. With the capability to centralize, store, and search your logs incredibly quickly, you can set aside concerns about archiving or reactivation. Metrics from various sources can be summarized into aesthetically pleasing dashboards that enhance your data insights. Monitor a wide range of systems from websites to servers, while scheduling on-call rotations, receiving actionable alerts, and resolving incidents more efficiently than ever before. Experience a significantly improved infrastructure monitoring platform that keeps you informed with timely notifications. Our service captures a screenshot of any error, along with a detailed second-by-second timeline thanks to our rapid 30-second checks. Each incident related to HTTP and ping is confirmed from a minimum of three different locations before sending an alert, effectively eliminating false alarms. No matter if you need monitoring for your web page, API, ping, POP3, IMAP, SMTP, DNS, or general network performance, we have you fully covered for all your needs. With Better Stack, you can ensure your infrastructure operates smoothly and is proactively managed for optimal performance.

Obkio is a simple Network Monitoring and Troubleshooting SaaS solution that allows users to continuously monitor the health of their network and core business applications to improve the end-user experience. Obkio identifies the cause of intermittent network problems, VoIP, video, and applications slowdown in seconds so you can troubleshoot before they affect your end-users. Deploy network monitoring Agents at strategic locations in a company's offices or network destinations such as data sites, remote sites, external client sites, or public or private clouds to continuously monitor performance using synthetic traffic exchanged every 500ms. Obkio continuously tests and measures network metrics, such as latency, jitter, packet loss, quality of service and customer experience via QoE (Quality of Experience). The app alerts you as soon as a problem occurs or even if there are signs that a failure is about to happen. Not only does it alert you and pinpoint the source of the issue, but it also allows you to go back in time to complete a diagnosis.

Remain vigilant and proactive in managing all Development and Operations incidents. Promptly inform the appropriate personnel, minimize response time, and prevent alert fatigue. Opsgenie serves as a contemporary incident management solution, guaranteeing that significant incidents are not overlooked and that the right actions are executed swiftly by the designated team members. The platform collects alerts from your monitoring tools and custom applications, organizing each notification by relevance and urgency. On-call schedules are established to ensure that the appropriate individuals are alerted through various communication methods, including phone calls, emails, SMS, and mobile push notifications. If an alert goes unacknowledged, Opsgenie automatically escalates the situation, ensuring that the incident receives the necessary focus and intervention. Take advantage of an instant free trial to explore its capabilities. By utilizing Opsgenie, teams can enhance their incident response strategy and foster a more efficient operational environment.

Netumo monitors your public infrastructure and notifies you as soon as something happens. It is able to reach you on one of the 6 different mediums that it supports i.e. Email, SMS, Twitter, Telegram, Slack, Cisco Webex, and or Microsoft Teams. This enables your team to be the first one to know that there is something wrong and they can take action. Netumo has built-in SSL and Domain expiry checks so that as soon as one of these is due for expiry, then your team is immediately notified such that they can be aware and take action. In such cases, it's not the first time that such things go unnoticed resulting in downtime. Netumo also supports monitoring of your APIs (RESTful services) just like normal sites making it easy without complex scripting which is sometimes required in other tools. Apart from uptime monitoring SEO based monitoring is also available where you can check specific elements of your site as well as audit your pages for improved SEO. Powerful Reports are also available so that you can track what went wrong at specific periods. In summary, Netumo can get you monitoring in minutes.

A comprehensive video quality control solution designed for monitoring UDP, RTP, HTTP, and HLS streams, this software measures both Quality of Service (QoS) and Quality of Experience (QoE) parameters across all areas of distributed networks. With probes that operate continuously around the clock, users gain complete oversight of their network environment. Within just 30 minutes, you can start monitoring your streams, which allows for significant savings on specialized equipment and lower network maintenance costs. The user-friendly data presentation and the benefits of a web-based interface enhance the overall experience. Thanks to ongoing quality assessments and prompt identification of issues, we enjoy a stable customer base. This solution can be deployed as a cloud service or as a standalone application for local networks. Elecard Boro software probes are capable of monitoring packet loss, video interruptions, and SCTE35 labels across various protocols such as UDP, HLS, DASH, RTP, and HTTP. Ultimately, this solution offers rapid and economical monitoring of content delivery networks while effectively pinpointing common issues. Furthermore, it empowers users to ensure the highest standards in video transmission quality.

Empower your team to oversee and control the security, efficiency, and management of your complete IT infrastructure through a unified platform, all without any expense to you. The robust ITarian platform offers a streamlined approach to operations, enhances productivity, and optimizes the use of IT resources. Equip your IT personnel with enhanced monitoring and management functionalities. Increase IT efficiency by integrating roles, functions, and tools seamlessly. Ensure maximum uptime through proactive identification and resolution of issues. Streamline daily operations by automating routine tasks using custom scripts, thereby allowing your staff to focus on more strategic initiatives. This holistic approach not only improves workflows but also fosters innovation within your organization.

IT performance monitoring does not just focus on monitoring CPU, memory, and network resources. eG Enterprise makes the user experience the center of your IT management and monitoring strategy. eG Enterprise allows you to measure the digital experience of your users and get deep visibility into the performance of the entire application delivery chain -- from code to user experiences to data center to cloud -- all from a single pane. You can also correlate performance across domains to pinpoint the root cause of problems proactively. eG Enterprise's machine learning and analytics capabilities enable IT teams to make smart decisions about right-sizing and optimizing for future growth. The result is happier users, increased productivity, improved IT efficiency, and tangible business ROI. eG Enterprise can be installed on-premise or as a SaaS service. Get a free trial of eG Enterprise today.

Checkmk is an IT monitoring system that allows system administrators, IT managers and DevOps teams, to quickly identify and resolve issues across their entire IT infrastructure (servers and applications, networks, storage and databases, containers, etc. Checkmk is used daily by more than 2,000 commercial customers worldwide and many other open-source users. Key product features * Service state monitoring with nearly 2,000 checks 'outside the box' * Event-based and log-based monitoring * Metrics, dynamic Graphing, and Long-Term Storage * Comprehensive reporting incl. Accessibility and SLAs * Flexible notifications and automated alert handling * Monitoring business processes and complex systems * Software and hardware inventory * Graphical, rule-based configuration and automated service discovery These are the top use cases * Server Monitoring * Network Monitoring * Application Monitoring * Database Monitoring * Storage Monitoring * Cloud Monitoring * Container Monitoring

Simple configuration interface for Nagios or Naemon. Monitoring solution for corporations and SME Monitor and manage all your servers, applications, and systems in one place, from large data centers to critical IT service providers. openITCOCKPIT provides transparency and comprehensive monitoring of your entire IT environment. Its modular design allows for reporting, event correlation, and clustering capabilities all within an intuitive web interface. Experienced administrators can save time by using the service templates and host templates. This will allow them to spend more time on other areas. It is easy to connect external systems using the REST API. OpenITCOCKPIT eliminates the traditional division between configuration and monitoring. After exporting the configuration, users can instantly see the status of monitored hosts and services in Naemon/Nagios and edit them.

Axence nVision is a comprehensive solution tailored for managing IT infrastructure of any scale. This robust system is equipped with a variety of features essential for effective and smooth IT infrastructure management. It comprises six distinct modules: Network Monitoring, which ensures thorough oversight of the entire IT infrastructure; Inventory, which facilitates quick audits of both hardware and software; User Activity Monitoring; Helpdesk, which offers interactive technical support for IT issues; Dataguard, designed to safeguard against data leaks; and Smarttime, which aids in managing time and assessing employee productivity. Together, these modules create a versatile platform that streamlines IT operations and enhances organizational efficiency.

Accelerate the transition from data to tangible business results with Splunk. Splunk Enterprise streamlines the process of gathering, analyzing, and leveraging the hidden potential of the vast data created by your technological framework, security measures, and enterprise applications—equipping you with the knowledge necessary to enhance operational efficiency and achieve business objectives. Effortlessly gather and index log and machine data from a variety of sources. Merge your machine data with information stored in relational databases, data warehouses, as well as Hadoop and NoSQL data repositories. The platform's multi-site clustering and automatic load balancing capabilities are designed to accommodate hundreds of terabytes of data daily, ensuring quick response times and uninterrupted access. Customizing Splunk Enterprise to suit various project requirements is straightforward with the Splunk platform. Developers have the flexibility to create bespoke Splunk applications or incorporate Splunk data into existing applications. Furthermore, applications developed by Splunk, our collaborators, and the community enhance and expand the functionalities of the Splunk platform, making it a versatile tool for organizations of all sizes. This adaptability ensures that users can extract maximum value from their data in a rapidly changing business landscape.

WebSitePulse allows you to monitor your web assets remotely and independently. Uptime monitoring, website monitoring and server monitoring are some of the most popular services.